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Question DetailsAsked on 10/23/2013

how much does it cost to reline a sewer pipe

A camera revealed a couple of breaks in my sewer line under the house with roots entering one of the holes.

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2 Answers


Ballpark number (varies a LOT depending on accessibility and depth of pipe) around $50-150/LF for most residential jobs - usually about 25-50% MORE expensive than open trenching, but sometimes the better solution if you would have to dig up prized plants, a driveway, a bunch of street and sidewalk, have very poor backhoe access, etc.

For the portions OUTSIDE your house foundation, if that is in question also:

If your overall pipe is bad, then complete replacement might be in order - I would ask for both trenched and trenchless bids from 3 bidders and compare, especially if all you have over it is maybe a walk or a more or less 90 degree driveway crossing, and lawn. Also, on the trenchless - I would allow both relining (which reduces pipe inside diameter about 1/4 inch) and pipe bursting (which drags a new jointless pipe thorugh the old following a hydraulic bursting tool which breaks and enlarges the old pipe) as options.

If the camera showed good pipe with just a couple of local breaks, I would trench repair them unless your run is short (50' or less), treating the backfill with root killer to inhibit renewed damage by those trees. (Note - ROOT killer, not kill-all herbicide, unless you want to take the trees out, then general herbicide is the way to go to prevent root regrowth even though the tree or shrub may have been removed.

For the portion under the house, I would question relining - usually does not work well there because of multiple bends and wyes, plus unless you have oversize pipe that is the last place you want a pipe diameter reduction, so I would closely question them about how that will work and why relining is the BEST solution rather than just the easiest. Of course, what your floor condition is matters too - whether bare concrete slab or fully finished.

Answered 6 years ago by LCD


Pipe relining costs depend on you location, however where we are (sydney) it can cost around $300 per metre for a normal house drain (100mm) size.

The price of lining you sewer pipe will ulitilty depend on pipe size, length required to reline and how many junctions are all in your line.

There is usually a setup cost of around $2k aswell.

So (100mm) 1m = $2,300
2m = $2,600
3m = $2,900

so on and so forth.

Hope that helps



Answered 3 years ago by oldmate

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